Learn What a Heart Attack Feels Like

Clot-busting medicines and other treatments can stop a heart attack as it is happening. These treatments work best if given within 1 hour of when heart attack signs begin. If you think you are having a heart attack, call 9-1-1 right away.

Information on this page is taken from the English print version of “Your Heart, Your Life, A Community Health Worker's Manual.” U.S. Department of Health and Human Services, National Institutes of Health, National Heart Lung and Blood Institute, NIH Publication No. 08-3674, Originally Printed 1999, Revised May 2008.